IIT/Engineering

IIT Madras Researchers develops an Anti-Bacterial and Biodegradable food wrapping

New Delhi :
Researchers of Indian Institute of Technology Madras (IIT Madras) has developed a biodegradable food wrapping material with an built-in anti-bacterial compound to prevent food contamination.

In-built anti-bacterial compound –
According to the team which was led by Professor Mukesh Dobel and Research Scholar Puja Kumari, Department of Biotechnology, IIT Madras, “Of this biodegradable food wrapper has an in-built anti-bacterial compound and is safe for consumption. We have developed a biodegradable wrapping material with in-built antibacterial activity to prevent bacterial growth in stored food”

Wrapper is eco-friendly –
“The antibacterial compound should be safe for consumption as it is approved by the authorities and does not cause any toxicity. The wrapping material we have developed also degrades at various environmental conditions with the rate of degradation varying from 4 to 98 per cent in 21 days. The wrapping material degraded rapidly in moist conditions when compared to dry ones. Hence, our wrapper is eco-friendly and can play a major role in plastic waste reduction”, Doble added.

Composition was optimized to achieve the best film –
The films developed by IIT team were made with polymeric blends containing starch, polyvinyl alcohol, cyclic beta glycans (CBG). The composition was optimized to achieve the best film with a smooth texture, flexibility, uniform thickness and good clarity. The polymers used are approved by the US Food and Drug Administration.
The antibacterial agent selected is also approved by the food authority for consumption and includes eugenol, chlorogenic acid, betanin, curcumin and gallic acid, among others.

Mixed with polymer before preparation –
These compounds are used regularly in Indian food and are known to possess antibacterial, antioxidant and many other beneficial bioactivities. The compound is either immobilized on the surface or coated or mixed with polymer before preparation. “Our antibacterial coated polymer wrapper was used for wrapping paneer, meat and chicken and its performance was tested,” said Puja Kumari, research scholar, Department of Biotechnology, IIT Madras.

Developed a biodegradable wrapping material –
Education Minister tweeted with a statement that this innovation of IIT Madras is a step towards sustainable future. Dr. Ramesh Pokhriyal further added, “A team led by Prof Mukesh Doble & research scholar Puja Kumari have developed a biodegradable wrapping material, with a built-in anti-bacterial compound to prevent food contamination.”

Johns Hopkins University Research says ‘we like things because we choose them’

New Delhi,
Johns Hopkins University Researchers has found something which would definitely blow our minds to think over that again and again. They stated that we assume we choose things that we like, but research suggests that’s sometimes backward: We like things because we choose them, and we dislike things that we don’t choose.

Suggesting that this way of justifying choice –
The research says, when a baby reaches for one stuffed animal in a room filled with others just like it, that seemingly random choice is very bad news for those unpicked toys: the baby has likely just decided she doesn’t like what she didn’t choose. Though researchers have long known that adults build unconscious biases over a lifetime of making choices between things that are essentially the same, findings from Johns Hopkins University indicate that even babies engage in this phenomenon, suggesting that this way of justifying choice is intuitive and somehow fundamental to the human experience.

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